Color

#b02124

#b02124
hex#b02124
rgbrgb(176, 33, 36)
hslhsl(359, 68%, 41%)
oklchoklch(0.493 0.178 26)
Closest name: firebrick (#b22222)Relative luminance 0.1045

Colors that go with #b02124

Royal Blue, Steel Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#21b0ad

#b0216b · #b06621

#24b021 · #2124b0

Split-complementary

Open in tool →

#21b066 · #216bb0

#6bb021 · #21b0ad · #6621b0

Contrast

#b02124 as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #ab2123 as the text (7.06:1)
Aaon black
3.09:1failpassfail
  • AA: use #d93638 as the text (4.54:1)
  • AAA: use #e57678 as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b02124 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b02124 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b02124
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b02124 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b02124-c4a09c-62cb96-2d251f-f1e9ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md